20253457980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{392053}}^1$

素因数の和:392116

約数の個数: 144

約数和(自身を含む): 71924658624

約数和(自身を除く): 51671200644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4305, 5166, 5740, 7380, 8610, 10332, 12915, 17220, 25830, 51660, 392053, 784106, 1176159, 1568212, 1960265, 2352318, 2744371, 3528477, 3920530, 4704636, 5488742, 5880795, 7056954, 7841060, 8233113, 10977484, 11761590, 13721855, 14113908, 16074173, 16466226, 17642385, 23523180, 24699339, 27443710, 32148346, 32932452, 35284770, 41165565, 48222519, 49398678, 54887420, 64296692, 70569540, 80370865, 82331130, 96445038, 98797356, 112519211, 123496695, 144667557, 160741730, 164662260, 192890076, 225038422, 241112595, 246993390, 289335114, 321483460, 337557633, 450076844, 482225190, 493986780, 562596055, 578670228, 675115266, 723337785, 964450380, 1012672899, 1125192110, 1350230532, 1446675570, 1687788165, 2025345798, 2250384220, 2893351140, 3375576330, 4050691596, 5063364495, 6751152660, 10126728990, 20253457980]

約数ペア:

[(1, 20253457980), (2, 10126728990), (3, 6751152660), (4, 5063364495), (5, 4050691596), (6, 3375576330), (7, 2893351140), (9, 2250384220), (10, 2025345798), (12, 1687788165), (14, 1446675570), (15, 1350230532), (18, 1125192110), (20, 1012672899), (21, 964450380), (28, 723337785), (30, 675115266), (35, 578670228), (36, 562596055), (41, 493986780), (42, 482225190), (45, 450076844), (60, 337557633), (63, 321483460), (70, 289335114), (82, 246993390), (84, 241112595), (90, 225038422), (105, 192890076), (123, 164662260), (126, 160741730), (140, 144667557), (164, 123496695), (180, 112519211), (205, 98797356), (210, 96445038), (246, 82331130), (252, 80370865), (287, 70569540), (315, 64296692), (369, 54887420), (410, 49398678), (420, 48222519), (492, 41165565), (574, 35284770), (615, 32932452), (630, 32148346), (738, 27443710), (820, 24699339), (861, 23523180), (1148, 17642385), (1230, 16466226), (1260, 16074173), (1435, 14113908), (1476, 13721855), (1722, 11761590), (1845, 10977484), (2460, 8233113), (2583, 7841060), (2870, 7056954), (3444, 5880795), (3690, 5488742), (4305, 4704636), (5166, 3920530), (5740, 3528477), (7380, 2744371), (8610, 2352318), (10332, 1960265), (12915, 1568212), (17220, 1176159), (25830, 784106), (51660, 392053)]