20855160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3085

約数の個数: 96

約数和(自身を含む): 71370000

約数和(自身を除く): 50514840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3049, 3420, 6098, 6840, 9147, 12196, 15245, 18294, 24392, 27441, 30490, 36588, 45735, 54882, 57931, 60980, 73176, 91470, 109764, 115862, 121960, 137205, 173793, 182940, 219528, 231724, 274410, 289655, 347586, 365880, 463448, 521379, 548820, 579310, 695172, 868965, 1042758, 1097640, 1158620, 1390344, 1737930, 2085516, 2317240, 2606895, 3475860, 4171032, 5213790, 6951720, 10427580, 20855160]

約数ペア:

[(1, 20855160), (2, 10427580), (3, 6951720), (4, 5213790), (5, 4171032), (6, 3475860), (8, 2606895), (9, 2317240), (10, 2085516), (12, 1737930), (15, 1390344), (18, 1158620), (19, 1097640), (20, 1042758), (24, 868965), (30, 695172), (36, 579310), (38, 548820), (40, 521379), (45, 463448), (57, 365880), (60, 347586), (72, 289655), (76, 274410), (90, 231724), (95, 219528), (114, 182940), (120, 173793), (152, 137205), (171, 121960), (180, 115862), (190, 109764), (228, 91470), (285, 73176), (342, 60980), (360, 57931), (380, 54882), (456, 45735), (570, 36588), (684, 30490), (760, 27441), (855, 24392), (1140, 18294), (1368, 15245), (1710, 12196), (2280, 9147), (3049, 6840), (3420, 6098)]