20342160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 51617520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1487, 1520, 1710, 2280, 2736, 2974, 3420, 4461, 4560, 5948, 6840, 7435, 8922, 11896, 13383, 13680, 14870, 17844, 22305, 23792, 26766, 28253, 29740, 35688, 44610, 53532, 56506, 59480, 66915, 71376, 84759, 89220, 107064, 113012, 118960, 133830, 141265, 169518, 178440, 214128, 226024, 254277, 267660, 282530, 339036, 356880, 423795, 452048, 508554, 535320, 565060, 678072, 847590, 1017108, 1070640, 1130120, 1271385, 1356144, 1695180, 2034216, 2260240, 2542770, 3390360, 4068432, 5085540, 6780720, 10171080, 20342160]

約数ペア:

[(1, 20342160), (2, 10171080), (3, 6780720), (4, 5085540), (5, 4068432), (6, 3390360), (8, 2542770), (9, 2260240), (10, 2034216), (12, 1695180), (15, 1356144), (16, 1271385), (18, 1130120), (19, 1070640), (20, 1017108), (24, 847590), (30, 678072), (36, 565060), (38, 535320), (40, 508554), (45, 452048), (48, 423795), (57, 356880), (60, 339036), (72, 282530), (76, 267660), (80, 254277), (90, 226024), (95, 214128), (114, 178440), (120, 169518), (144, 141265), (152, 133830), (171, 118960), (180, 113012), (190, 107064), (228, 89220), (240, 84759), (285, 71376), (304, 66915), (342, 59480), (360, 56506), (380, 53532), (456, 44610), (570, 35688), (684, 29740), (720, 28253), (760, 26766), (855, 23792), (912, 22305), (1140, 17844), (1368, 14870), (1487, 13680), (1520, 13383), (1710, 11896), (2280, 8922), (2736, 7435), (2974, 6840), (3420, 5948), (4461, 4560)]