20653333360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1709}}^1$

素因数の和:2207

約数の個数: 160

約数和(自身を含む): 54227957760

約数和(自身を除く): 33574624400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 443, 496, 620, 682, 880, 886, 1240, 1364, 1705, 1709, 1772, 2215, 2480, 2728, 3410, 3418, 3544, 4430, 4873, 5456, 6820, 6836, 7088, 8545, 8860, 9746, 13640, 13672, 13733, 17090, 17720, 18799, 19492, 24365, 27280, 27344, 27466, 34180, 35440, 37598, 38984, 48730, 52979, 54932, 68360, 68665, 75196, 77968, 93995, 97460, 105958, 109864, 136720, 137330, 150392, 151063, 187990, 194920, 211916, 219728, 264895, 274660, 300784, 302126, 375980, 389840, 423832, 529790, 549320, 582769, 604252, 751960, 755315, 757087, 847664, 1059580, 1098640, 1165538, 1208504, 1503920, 1510630, 1514174, 2119160, 2331076, 2417008, 2913845, 3021260, 3028348, 3785435, 4238320, 4662152, 5827690, 6042520, 6056696, 7570870, 8327957, 9324304, 11655380, 12085040, 12113392, 15141740, 16655914, 23310760, 23469697, 30283480, 33311828, 41639785, 46621520, 46939394, 60566960, 66623656, 83279570, 93878788, 117348485, 133247312, 166559140, 187757576, 234696970, 258166667, 333118280, 375515152, 469393940, 516333334, 666236560, 938787880, 1032666668, 1290833335, 1877575760, 2065333336, 2581666670, 4130666672, 5163333340, 10326666680, 20653333360]

約数ペア:

[(1, 20653333360), (2, 10326666680), (4, 5163333340), (5, 4130666672), (8, 2581666670), (10, 2065333336), (11, 1877575760), (16, 1290833335), (20, 1032666668), (22, 938787880), (31, 666236560), (40, 516333334), (44, 469393940), (55, 375515152), (62, 333118280), (80, 258166667), (88, 234696970), (110, 187757576), (124, 166559140), (155, 133247312), (176, 117348485), (220, 93878788), (248, 83279570), (310, 66623656), (341, 60566960), (440, 46939394), (443, 46621520), (496, 41639785), (620, 33311828), (682, 30283480), (880, 23469697), (886, 23310760), (1240, 16655914), (1364, 15141740), (1705, 12113392), (1709, 12085040), (1772, 11655380), (2215, 9324304), (2480, 8327957), (2728, 7570870), (3410, 6056696), (3418, 6042520), (3544, 5827690), (4430, 4662152), (4873, 4238320), (5456, 3785435), (6820, 3028348), (6836, 3021260), (7088, 2913845), (8545, 2417008), (8860, 2331076), (9746, 2119160), (13640, 1514174), (13672, 1510630), (13733, 1503920), (17090, 1208504), (17720, 1165538), (18799, 1098640), (19492, 1059580), (24365, 847664), (27280, 757087), (27344, 755315), (27466, 751960), (34180, 604252), (35440, 582769), (37598, 549320), (38984, 529790), (48730, 423832), (52979, 389840), (54932, 375980), (68360, 302126), (68665, 300784), (75196, 274660), (77968, 264895), (93995, 219728), (97460, 211916), (105958, 194920), (109864, 187990), (136720, 151063), (137330, 150392)]