20171961796

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{236749}}^1$

素因数の和:236956

約数の個数: 48

約数和(自身を含む): 42955920000

約数和(自身を除く): 22783958204

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 179, 238, 358, 476, 716, 1253, 2506, 3043, 5012, 6086, 12172, 21301, 42602, 85204, 236749, 473498, 946996, 1657243, 3314486, 4024733, 6628972, 8049466, 16098932, 28173131, 42378071, 56346262, 84756142, 112692524, 169512284, 296646497, 593292994, 720427207, 1186585988, 1440854414, 2881708828, 5042990449, 10085980898, 20171961796]

約数ペア:

[(1, 20171961796), (2, 10085980898), (4, 5042990449), (7, 2881708828), (14, 1440854414), (17, 1186585988), (28, 720427207), (34, 593292994), (68, 296646497), (119, 169512284), (179, 112692524), (238, 84756142), (358, 56346262), (476, 42378071), (716, 28173131), (1253, 16098932), (2506, 8049466), (3043, 6628972), (5012, 4024733), (6086, 3314486), (12172, 1657243), (21301, 946996), (42602, 473498), (85204, 236749)]