20071140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 57892800

約数和(自身を除く): 37821660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 199, 205, 246, 398, 410, 492, 597, 615, 796, 820, 995, 1194, 1230, 1681, 1990, 2388, 2460, 2985, 3362, 3980, 5043, 5970, 6724, 8159, 8405, 10086, 11940, 16318, 16810, 20172, 24477, 25215, 32636, 33620, 40795, 48954, 50430, 81590, 97908, 100860, 122385, 163180, 244770, 334519, 489540, 669038, 1003557, 1338076, 1672595, 2007114, 3345190, 4014228, 5017785, 6690380, 10035570, 20071140]

約数ペア:

[(1, 20071140), (2, 10035570), (3, 6690380), (4, 5017785), (5, 4014228), (6, 3345190), (10, 2007114), (12, 1672595), (15, 1338076), (20, 1003557), (30, 669038), (41, 489540), (60, 334519), (82, 244770), (123, 163180), (164, 122385), (199, 100860), (205, 97908), (246, 81590), (398, 50430), (410, 48954), (492, 40795), (597, 33620), (615, 32636), (796, 25215), (820, 24477), (995, 20172), (1194, 16810), (1230, 16318), (1681, 11940), (1990, 10086), (2388, 8405), (2460, 8159), (2985, 6724), (3362, 5970), (3980, 5043)]