20590920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8171}}^1$

素因数の和:8195

約数の個数: 96

約数和(自身を含む): 76489920

約数和(自身を除く): 55899000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8171, 16342, 24513, 32684, 40855, 49026, 57197, 65368, 73539, 81710, 98052, 114394, 122565, 147078, 163420, 171591, 196104, 228788, 245130, 285985, 294156, 326840, 343182, 367695, 457576, 490260, 514773, 571970, 588312, 686364, 735390, 857955, 980520, 1029546, 1143940, 1372728, 1470780, 1715910, 2059092, 2287880, 2573865, 2941560, 3431820, 4118184, 5147730, 6863640, 10295460, 20590920]

約数ペア:

[(1, 20590920), (2, 10295460), (3, 6863640), (4, 5147730), (5, 4118184), (6, 3431820), (7, 2941560), (8, 2573865), (9, 2287880), (10, 2059092), (12, 1715910), (14, 1470780), (15, 1372728), (18, 1143940), (20, 1029546), (21, 980520), (24, 857955), (28, 735390), (30, 686364), (35, 588312), (36, 571970), (40, 514773), (42, 490260), (45, 457576), (56, 367695), (60, 343182), (63, 326840), (70, 294156), (72, 285985), (84, 245130), (90, 228788), (105, 196104), (120, 171591), (126, 163420), (140, 147078), (168, 122565), (180, 114394), (210, 98052), (252, 81710), (280, 73539), (315, 65368), (360, 57197), (420, 49026), (504, 40855), (630, 32684), (840, 24513), (1260, 16342), (2520, 8171)]