20017488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35693232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 76, 94, 114, 141, 152, 188, 228, 282, 304, 376, 456, 467, 564, 752, 893, 912, 934, 1128, 1401, 1786, 1868, 2256, 2679, 2802, 3572, 3736, 5358, 5604, 7144, 7472, 8873, 10716, 11208, 14288, 17746, 21432, 21949, 22416, 26619, 35492, 42864, 43898, 53238, 65847, 70984, 87796, 106476, 131694, 141968, 175592, 212952, 263388, 351184, 417031, 425904, 526776, 834062, 1053552, 1251093, 1668124, 2502186, 3336248, 5004372, 6672496, 10008744, 20017488]

約数ペア:

[(1, 20017488), (2, 10008744), (3, 6672496), (4, 5004372), (6, 3336248), (8, 2502186), (12, 1668124), (16, 1251093), (19, 1053552), (24, 834062), (38, 526776), (47, 425904), (48, 417031), (57, 351184), (76, 263388), (94, 212952), (114, 175592), (141, 141968), (152, 131694), (188, 106476), (228, 87796), (282, 70984), (304, 65847), (376, 53238), (456, 43898), (467, 42864), (564, 35492), (752, 26619), (893, 22416), (912, 21949), (934, 21432), (1128, 17746), (1401, 14288), (1786, 11208), (1868, 10716), (2256, 8873), (2679, 7472), (2802, 7144), (3572, 5604), (3736, 5358)]