20189184530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1481}}^1$

素因数の和:1664

約数の個数: 96

約数和(自身を含む): 39801125520

約数和(自身を除く): 19611940990

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 89, 106, 170, 178, 265, 289, 445, 530, 578, 890, 901, 1445, 1481, 1513, 1802, 2890, 2962, 3026, 4505, 4717, 7405, 7565, 9010, 9434, 14810, 15130, 15317, 23585, 25177, 25721, 30634, 47170, 50354, 51442, 76585, 78493, 80189, 125885, 128605, 131809, 153170, 156986, 160378, 251770, 257210, 263618, 392465, 400945, 428009, 659045, 784930, 801890, 856018, 1318090, 1334381, 1363213, 2140045, 2240753, 2668762, 2726426, 4280090, 4481506, 6671905, 6816065, 6985877, 11203765, 13343810, 13632130, 13971754, 22407530, 22684477, 34929385, 38092801, 45368954, 69858770, 76185602, 113422385, 118759909, 190464005, 226844770, 237519818, 380928010, 593799545, 1187599090, 2018918453, 4037836906, 10094592265, 20189184530]

約数ペア:

[(1, 20189184530), (2, 10094592265), (5, 4037836906), (10, 2018918453), (17, 1187599090), (34, 593799545), (53, 380928010), (85, 237519818), (89, 226844770), (106, 190464005), (170, 118759909), (178, 113422385), (265, 76185602), (289, 69858770), (445, 45368954), (530, 38092801), (578, 34929385), (890, 22684477), (901, 22407530), (1445, 13971754), (1481, 13632130), (1513, 13343810), (1802, 11203765), (2890, 6985877), (2962, 6816065), (3026, 6671905), (4505, 4481506), (4717, 4280090), (7405, 2726426), (7565, 2668762), (9010, 2240753), (9434, 2140045), (14810, 1363213), (15130, 1334381), (15317, 1318090), (23585, 856018), (25177, 801890), (25721, 784930), (30634, 659045), (47170, 428009), (50354, 400945), (51442, 392465), (76585, 263618), (78493, 257210), (80189, 251770), (125885, 160378), (128605, 156986), (131809, 153170)]