20187096590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{9739}}^1$

素因数の和:9989

約数の個数: 64

約数和(自身を含む): 39194539200

約数和(自身を除く): 19007442610

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 137, 170, 178, 274, 445, 685, 890, 1370, 1513, 2329, 3026, 4658, 7565, 9739, 11645, 12193, 15130, 19478, 23290, 24386, 48695, 60965, 97390, 121930, 165563, 207281, 331126, 414562, 827815, 866771, 1036405, 1334243, 1655630, 1733542, 2072810, 2668486, 4333855, 6671215, 8667710, 13342430, 14735107, 22682131, 29470214, 45364262, 73675535, 113410655, 118747627, 147351070, 226821310, 237495254, 593738135, 1187476270, 2018709659, 4037419318, 10093548295, 20187096590]

約数ペア:

[(1, 20187096590), (2, 10093548295), (5, 4037419318), (10, 2018709659), (17, 1187476270), (34, 593738135), (85, 237495254), (89, 226821310), (137, 147351070), (170, 118747627), (178, 113410655), (274, 73675535), (445, 45364262), (685, 29470214), (890, 22682131), (1370, 14735107), (1513, 13342430), (2329, 8667710), (3026, 6671215), (4658, 4333855), (7565, 2668486), (9739, 2072810), (11645, 1733542), (12193, 1655630), (15130, 1334243), (19478, 1036405), (23290, 866771), (24386, 827815), (48695, 414562), (60965, 331126), (97390, 207281), (121930, 165563)]