20051155900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{43019}}^1$

素因数の和:43171

約数の個数: 72

約数和(自身を含む): 44809632000

約数和(自身を除く): 24758476100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 79, 100, 118, 158, 236, 295, 316, 395, 590, 790, 1180, 1475, 1580, 1975, 2950, 3950, 4661, 5900, 7900, 9322, 18644, 23305, 43019, 46610, 86038, 93220, 116525, 172076, 215095, 233050, 430190, 466100, 860380, 1075475, 2150950, 2538121, 3398501, 4301900, 5076242, 6797002, 10152484, 12690605, 13594004, 16992505, 25381210, 33985010, 50762420, 63453025, 67970020, 84962525, 126906050, 169925050, 200511559, 253812100, 339850100, 401023118, 802046236, 1002557795, 2005115590, 4010231180, 5012788975, 10025577950, 20051155900]

約数ペア:

[(1, 20051155900), (2, 10025577950), (4, 5012788975), (5, 4010231180), (10, 2005115590), (20, 1002557795), (25, 802046236), (50, 401023118), (59, 339850100), (79, 253812100), (100, 200511559), (118, 169925050), (158, 126906050), (236, 84962525), (295, 67970020), (316, 63453025), (395, 50762420), (590, 33985010), (790, 25381210), (1180, 16992505), (1475, 13594004), (1580, 12690605), (1975, 10152484), (2950, 6797002), (3950, 5076242), (4661, 4301900), (5900, 3398501), (7900, 2538121), (9322, 2150950), (18644, 1075475), (23305, 860380), (43019, 466100), (46610, 430190), (86038, 233050), (93220, 215095), (116525, 172076)]