20579967681

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1\times {\mathrm{1223}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 34467213312

約数和(自身を除く): 13887245631

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1163, 1223, 2067, 3489, 3669, 4823, 8141, 8561, 14469, 15119, 15899, 24423, 25683, 45357, 47697, 61639, 64819, 105833, 111293, 184917, 194457, 317499, 333879, 431473, 453733, 801307, 842647, 1294419, 1361199, 1422349, 2403921, 2527941, 4267047, 5609149, 5898529, 9956443, 16827447, 17695587, 18490537, 29869329, 55471611, 75384497, 129433759, 226153491, 388301277, 527691479, 979998461, 1583074437, 2939995383, 6859989227, 20579967681]

約数ペア:

[(1, 20579967681), (3, 6859989227), (7, 2939995383), (13, 1583074437), (21, 979998461), (39, 527691479), (53, 388301277), (91, 226153491), (159, 129433759), (273, 75384497), (371, 55471611), (689, 29869329), (1113, 18490537), (1163, 17695587), (1223, 16827447), (2067, 9956443), (3489, 5898529), (3669, 5609149), (4823, 4267047), (8141, 2527941), (8561, 2403921), (14469, 1422349), (15119, 1361199), (15899, 1294419), (24423, 842647), (25683, 801307), (45357, 453733), (47697, 431473), (61639, 333879), (64819, 317499), (105833, 194457), (111293, 184917)]