20921515392

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139343}}^1$

素因数の和:139400

約数の個数: 128

約数和(自身を含む): 61400540160

約数和(自身を除く): 40479024768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 64, 68, 69, 92, 96, 102, 128, 136, 138, 184, 192, 204, 272, 276, 368, 384, 391, 408, 544, 552, 736, 782, 816, 1088, 1104, 1173, 1472, 1564, 1632, 2176, 2208, 2346, 2944, 3128, 3264, 4416, 4692, 6256, 6528, 8832, 9384, 12512, 18768, 25024, 37536, 50048, 75072, 139343, 150144, 278686, 418029, 557372, 836058, 1114744, 1672116, 2229488, 2368831, 3204889, 3344232, 4458976, 4737662, 6409778, 6688464, 7106493, 8917952, 9475324, 9614667, 12819556, 13376928, 14212986, 17835904, 18950648, 19229334, 25639112, 26753856, 28425972, 37901296, 38458668, 51278224, 53507712, 54483113, 56851944, 75802592, 76917336, 102556448, 108966226, 113703888, 151605184, 153834672, 163449339, 205112896, 217932452, 227407776, 303210368, 307669344, 326898678, 410225792, 435864904, 454815552, 615338688, 653797356, 871729808, 909631104, 1230677376, 1307594712, 1743459616, 2615189424, 3486919232, 5230378848, 6973838464, 10460757696, 20921515392]

約数ペア:

[(1, 20921515392), (2, 10460757696), (3, 6973838464), (4, 5230378848), (6, 3486919232), (8, 2615189424), (12, 1743459616), (16, 1307594712), (17, 1230677376), (23, 909631104), (24, 871729808), (32, 653797356), (34, 615338688), (46, 454815552), (48, 435864904), (51, 410225792), (64, 326898678), (68, 307669344), (69, 303210368), (92, 227407776), (96, 217932452), (102, 205112896), (128, 163449339), (136, 153834672), (138, 151605184), (184, 113703888), (192, 108966226), (204, 102556448), (272, 76917336), (276, 75802592), (368, 56851944), (384, 54483113), (391, 53507712), (408, 51278224), (544, 38458668), (552, 37901296), (736, 28425972), (782, 26753856), (816, 25639112), (1088, 19229334), (1104, 18950648), (1173, 17835904), (1472, 14212986), (1564, 13376928), (1632, 12819556), (2176, 9614667), (2208, 9475324), (2346, 8917952), (2944, 7106493), (3128, 6688464), (3264, 6409778), (4416, 4737662), (4692, 4458976), (6256, 3344232), (6528, 3204889), (8832, 2368831), (9384, 2229488), (12512, 1672116), (18768, 1114744), (25024, 836058), (37536, 557372), (50048, 418029), (75072, 278686), (139343, 150144)]