20145171676

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2273}}^1\times {\mathrm{5189}}^1$

素因数の和:7534

約数の個数: 48

約数和(自身を含む): 40976752320

約数和(自身を除く): 20831580644

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 2273, 4546, 5189, 9092, 10378, 15911, 20756, 31822, 36323, 63644, 72646, 138653, 145292, 277306, 316529, 554612, 633058, 970571, 1266116, 1941142, 2215703, 3882284, 4431406, 8862812, 11794597, 23589194, 47178388, 82562179, 165124358, 330248716, 719470417, 1438940834, 2877881668, 5036292919, 10072585838, 20145171676]

約数ペア:

[(1, 20145171676), (2, 10072585838), (4, 5036292919), (7, 2877881668), (14, 1438940834), (28, 719470417), (61, 330248716), (122, 165124358), (244, 82562179), (427, 47178388), (854, 23589194), (1708, 11794597), (2273, 8862812), (4546, 4431406), (5189, 3882284), (9092, 2215703), (10378, 1941142), (15911, 1266116), (20756, 970571), (31822, 633058), (36323, 554612), (63644, 316529), (72646, 277306), (138653, 145292)]