20168099505

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1\times {\mathrm{773}}^1$

素因数の和:1191

約数の個数: 96

約数和(自身を含む): 36860728320

約数和(自身を除く): 16692628815

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 279, 295, 317, 465, 531, 773, 885, 951, 1395, 1585, 1829, 2319, 2655, 2853, 3865, 4755, 5487, 6957, 9145, 9827, 11595, 14265, 16461, 18703, 23963, 27435, 29481, 34785, 45607, 49135, 56109, 71889, 82305, 88443, 93515, 119815, 136821, 147405, 168327, 215667, 228035, 245041, 280545, 359445, 410463, 442215, 579793, 684105, 735123, 841635, 1078335, 1225205, 1413817, 1739379, 2052315, 2205369, 2898965, 3675615, 4241451, 5218137, 7069085, 7596271, 8696895, 11026845, 12724353, 14457419, 21207255, 22788813, 26090685, 37981355, 43372257, 63621765, 68366439, 72287095, 113944065, 130116771, 216861285, 341832195, 448179989, 650583855, 1344539967, 2240899945, 4033619901, 6722699835, 20168099505]

約数ペア:

[(1, 20168099505), (3, 6722699835), (5, 4033619901), (9, 2240899945), (15, 1344539967), (31, 650583855), (45, 448179989), (59, 341832195), (93, 216861285), (155, 130116771), (177, 113944065), (279, 72287095), (295, 68366439), (317, 63621765), (465, 43372257), (531, 37981355), (773, 26090685), (885, 22788813), (951, 21207255), (1395, 14457419), (1585, 12724353), (1829, 11026845), (2319, 8696895), (2655, 7596271), (2853, 7069085), (3865, 5218137), (4755, 4241451), (5487, 3675615), (6957, 2898965), (9145, 2205369), (9827, 2052315), (11595, 1739379), (14265, 1413817), (16461, 1225205), (18703, 1078335), (23963, 841635), (27435, 735123), (29481, 684105), (34785, 579793), (45607, 442215), (49135, 410463), (56109, 359445), (71889, 280545), (82305, 245041), (88443, 228035), (93515, 215667), (119815, 168327), (136821, 147405)]