20199270520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{321031}}^1$

素因数の和:321077

約数の個数: 96

約数和(自身を含む): 53798542560

約数和(自身を除く): 33599272040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 968, 1144, 1210, 1430, 1573, 2420, 2860, 3146, 4840, 5720, 6292, 7865, 12584, 15730, 31460, 62920, 321031, 642062, 1284124, 1605155, 2568248, 3210310, 3531341, 4173403, 6420620, 7062682, 8346806, 12841240, 14125364, 16693612, 17656705, 20867015, 28250728, 33387224, 35313410, 38844751, 41734030, 45907433, 70626820, 77689502, 83468060, 91814866, 141253640, 155379004, 166936120, 183629732, 194223755, 229537165, 310758008, 367259464, 388447510, 459074330, 504981763, 776895020, 918148660, 1009963526, 1553790040, 1836297320, 2019927052, 2524908815, 4039854104, 5049817630, 10099635260, 20199270520]

約数ペア:

[(1, 20199270520), (2, 10099635260), (4, 5049817630), (5, 4039854104), (8, 2524908815), (10, 2019927052), (11, 1836297320), (13, 1553790040), (20, 1009963526), (22, 918148660), (26, 776895020), (40, 504981763), (44, 459074330), (52, 388447510), (55, 367259464), (65, 310758008), (88, 229537165), (104, 194223755), (110, 183629732), (121, 166936120), (130, 155379004), (143, 141253640), (220, 91814866), (242, 83468060), (260, 77689502), (286, 70626820), (440, 45907433), (484, 41734030), (520, 38844751), (572, 35313410), (605, 33387224), (715, 28250728), (968, 20867015), (1144, 17656705), (1210, 16693612), (1430, 14125364), (1573, 12841240), (2420, 8346806), (2860, 7062682), (3146, 6420620), (4840, 4173403), (5720, 3531341), (6292, 3210310), (7865, 2568248), (12584, 1605155), (15730, 1284124), (31460, 642062), (62920, 321031)]