20054580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3673}}^1$

素因数の和:3705

約数の個数: 96

約数和(自身を含む): 69129984

約数和(自身を除く): 49075404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3673, 5460, 7346, 11019, 14692, 18365, 22038, 25711, 36730, 44076, 47749, 51422, 55095, 73460, 77133, 95498, 102844, 110190, 128555, 143247, 154266, 190996, 220380, 238745, 257110, 286494, 308532, 334243, 385665, 477490, 514220, 572988, 668486, 716235, 771330, 954980, 1002729, 1336972, 1432470, 1542660, 1671215, 2005458, 2864940, 3342430, 4010916, 5013645, 6684860, 10027290, 20054580]

約数ペア:

[(1, 20054580), (2, 10027290), (3, 6684860), (4, 5013645), (5, 4010916), (6, 3342430), (7, 2864940), (10, 2005458), (12, 1671215), (13, 1542660), (14, 1432470), (15, 1336972), (20, 1002729), (21, 954980), (26, 771330), (28, 716235), (30, 668486), (35, 572988), (39, 514220), (42, 477490), (52, 385665), (60, 334243), (65, 308532), (70, 286494), (78, 257110), (84, 238745), (91, 220380), (105, 190996), (130, 154266), (140, 143247), (156, 128555), (182, 110190), (195, 102844), (210, 95498), (260, 77133), (273, 73460), (364, 55095), (390, 51422), (420, 47749), (455, 44076), (546, 36730), (780, 25711), (910, 22038), (1092, 18365), (1365, 14692), (1820, 11019), (2730, 7346), (3673, 5460)]