20257486584

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{261077}}^1$

素因数の和:261200

約数の個数: 64

約数和(自身を含む): 52445348640

約数和(自身を除く): 32187862056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 61, 106, 122, 159, 183, 212, 244, 318, 366, 424, 488, 636, 732, 1272, 1464, 3233, 6466, 9699, 12932, 19398, 25864, 38796, 77592, 261077, 522154, 783231, 1044308, 1566462, 2088616, 3132924, 6265848, 13837081, 15925697, 27674162, 31851394, 41511243, 47777091, 55348324, 63702788, 83022486, 95554182, 110696648, 127405576, 166044972, 191108364, 332089944, 382216728, 844061941, 1688123882, 2532185823, 3376247764, 5064371646, 6752495528, 10128743292, 20257486584]

約数ペア:

[(1, 20257486584), (2, 10128743292), (3, 6752495528), (4, 5064371646), (6, 3376247764), (8, 2532185823), (12, 1688123882), (24, 844061941), (53, 382216728), (61, 332089944), (106, 191108364), (122, 166044972), (159, 127405576), (183, 110696648), (212, 95554182), (244, 83022486), (318, 63702788), (366, 55348324), (424, 47777091), (488, 41511243), (636, 31851394), (732, 27674162), (1272, 15925697), (1464, 13837081), (3233, 6265848), (6466, 3132924), (9699, 2088616), (12932, 1566462), (19398, 1044308), (25864, 783231), (38796, 522154), (77592, 261077)]