20347938716

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{32569}}^1$

素因数の和:33054

約数の個数: 48

約数和(自身を含む): 41563488960

約数和(自身を除く): 21215550244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 421, 742, 842, 1484, 1684, 2947, 5894, 11788, 22313, 32569, 44626, 65138, 89252, 130276, 156191, 227983, 312382, 455966, 624764, 911932, 1726157, 3452314, 6904628, 12083099, 13711549, 24166198, 27423098, 48332396, 54846196, 95980843, 191961686, 383923372, 726712097, 1453424194, 2906848388, 5086984679, 10173969358, 20347938716]

約数ペア:

[(1, 20347938716), (2, 10173969358), (4, 5086984679), (7, 2906848388), (14, 1453424194), (28, 726712097), (53, 383923372), (106, 191961686), (212, 95980843), (371, 54846196), (421, 48332396), (742, 27423098), (842, 24166198), (1484, 13711549), (1684, 12083099), (2947, 6904628), (5894, 3452314), (11788, 1726157), (22313, 911932), (32569, 624764), (44626, 455966), (65138, 312382), (89252, 227983), (130276, 156191)]