20811492

素因数分解:

$2^2\times 3^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 108

約数和(自身を含む): 59793916

約数和(自身を除く): 38982424

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 81, 108, 117, 122, 156, 162, 183, 234, 243, 244, 324, 351, 366, 468, 486, 549, 702, 729, 732, 793, 972, 1053, 1098, 1404, 1458, 1586, 1647, 2106, 2187, 2196, 2379, 2916, 3159, 3172, 3294, 4212, 4374, 4758, 4941, 6318, 6561, 6588, 7137, 8748, 9477, 9516, 9882, 12636, 13122, 14274, 14823, 18954, 19764, 21411, 26244, 28431, 28548, 29646, 37908, 42822, 44469, 56862, 59292, 64233, 85293, 85644, 88938, 113724, 128466, 133407, 170586, 177876, 192699, 256932, 266814, 341172, 385398, 400221, 533628, 578097, 770796, 800442, 1156194, 1600884, 1734291, 2312388, 3468582, 5202873, 6937164, 10405746, 20811492]

約数ペア:

[(1, 20811492), (2, 10405746), (3, 6937164), (4, 5202873), (6, 3468582), (9, 2312388), (12, 1734291), (13, 1600884), (18, 1156194), (26, 800442), (27, 770796), (36, 578097), (39, 533628), (52, 400221), (54, 385398), (61, 341172), (78, 266814), (81, 256932), (108, 192699), (117, 177876), (122, 170586), (156, 133407), (162, 128466), (183, 113724), (234, 88938), (243, 85644), (244, 85293), (324, 64233), (351, 59292), (366, 56862), (468, 44469), (486, 42822), (549, 37908), (702, 29646), (729, 28548), (732, 28431), (793, 26244), (972, 21411), (1053, 19764), (1098, 18954), (1404, 14823), (1458, 14274), (1586, 13122), (1647, 12636), (2106, 9882), (2187, 9516), (2196, 9477), (2379, 8748), (2916, 7137), (3159, 6588), (3172, 6561), (3294, 6318), (4212, 4941), (4374, 4758)]