20090790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 36818010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 155, 171, 186, 190, 279, 285, 310, 342, 379, 465, 558, 570, 589, 758, 855, 930, 1137, 1178, 1395, 1710, 1767, 1895, 2274, 2790, 2945, 3411, 3534, 3790, 5301, 5685, 5890, 6822, 7201, 8835, 10602, 11370, 11749, 14402, 17055, 17670, 21603, 23498, 26505, 34110, 35247, 36005, 43206, 53010, 58745, 64809, 70494, 72010, 105741, 108015, 117490, 129618, 176235, 211482, 216030, 223231, 324045, 352470, 446462, 528705, 648090, 669693, 1057410, 1116155, 1339386, 2009079, 2232310, 3348465, 4018158, 6696930, 10045395, 20090790]

約数ペア:

[(1, 20090790), (2, 10045395), (3, 6696930), (5, 4018158), (6, 3348465), (9, 2232310), (10, 2009079), (15, 1339386), (18, 1116155), (19, 1057410), (30, 669693), (31, 648090), (38, 528705), (45, 446462), (57, 352470), (62, 324045), (90, 223231), (93, 216030), (95, 211482), (114, 176235), (155, 129618), (171, 117490), (186, 108015), (190, 105741), (279, 72010), (285, 70494), (310, 64809), (342, 58745), (379, 53010), (465, 43206), (558, 36005), (570, 35247), (589, 34110), (758, 26505), (855, 23498), (930, 21603), (1137, 17670), (1178, 17055), (1395, 14402), (1710, 11749), (1767, 11370), (1895, 10602), (2274, 8835), (2790, 7201), (2945, 6822), (3411, 5890), (3534, 5685), (3790, 5301)]