20118210050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{947}}^1$

素因数の和:1284

約数の個数: 96

約数和(自身を含む): 39428351424

約数和(自身を除く): 19310141374

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 241, 410, 430, 482, 947, 1025, 1075, 1205, 1763, 1894, 2050, 2150, 2410, 3526, 4735, 6025, 8815, 9470, 9881, 10363, 12050, 17630, 19762, 20726, 23675, 38827, 40721, 44075, 47350, 49405, 51815, 77654, 81442, 88150, 98810, 103630, 194135, 203605, 228227, 247025, 259075, 388270, 407210, 424883, 456454, 494050, 518150, 849766, 970675, 1018025, 1141135, 1669561, 1941350, 2036050, 2124415, 2282270, 3339122, 4248830, 5705675, 8347805, 9357307, 9813761, 10622075, 11411350, 16695610, 18714614, 19627522, 21244150, 41739025, 46786535, 49068805, 83478050, 93573070, 98137610, 233932675, 245344025, 402364201, 467865350, 490688050, 804728402, 2011821005, 4023642010, 10059105025, 20118210050]

約数ペア:

[(1, 20118210050), (2, 10059105025), (5, 4023642010), (10, 2011821005), (25, 804728402), (41, 490688050), (43, 467865350), (50, 402364201), (82, 245344025), (86, 233932675), (205, 98137610), (215, 93573070), (241, 83478050), (410, 49068805), (430, 46786535), (482, 41739025), (947, 21244150), (1025, 19627522), (1075, 18714614), (1205, 16695610), (1763, 11411350), (1894, 10622075), (2050, 9813761), (2150, 9357307), (2410, 8347805), (3526, 5705675), (4735, 4248830), (6025, 3339122), (8815, 2282270), (9470, 2124415), (9881, 2036050), (10363, 1941350), (12050, 1669561), (17630, 1141135), (19762, 1018025), (20726, 970675), (23675, 849766), (38827, 518150), (40721, 494050), (44075, 456454), (47350, 424883), (49405, 407210), (51815, 388270), (77654, 259075), (81442, 247025), (88150, 228227), (98810, 203605), (103630, 194135)]