20702935030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{3121}}^1$

素因数の和:3493

約数の個数: 64

約数和(自身を含む): 39360577536

約数和(自身を除く): 18657642506

約数列:

[1, 2, 5, 10, 23, 46, 115, 151, 191, 230, 302, 382, 755, 955, 1510, 1910, 3121, 3473, 4393, 6242, 6946, 8786, 15605, 17365, 21965, 28841, 31210, 34730, 43930, 57682, 71783, 143566, 144205, 288410, 358915, 471271, 596111, 663343, 717830, 942542, 1192222, 1326686, 2356355, 2980555, 3316715, 4712710, 5961110, 6633430, 10839233, 13710553, 21678466, 27421106, 54196165, 68552765, 90012761, 108392330, 137105530, 180025522, 450063805, 900127610, 2070293503, 4140587006, 10351467515, 20702935030]

約数ペア:

[(1, 20702935030), (2, 10351467515), (5, 4140587006), (10, 2070293503), (23, 900127610), (46, 450063805), (115, 180025522), (151, 137105530), (191, 108392330), (230, 90012761), (302, 68552765), (382, 54196165), (755, 27421106), (955, 21678466), (1510, 13710553), (1910, 10839233), (3121, 6633430), (3473, 5961110), (4393, 4712710), (6242, 3316715), (6946, 2980555), (8786, 2356355), (15605, 1326686), (17365, 1192222), (21965, 942542), (28841, 717830), (31210, 663343), (34730, 596111), (43930, 471271), (57682, 358915), (71783, 288410), (143566, 144205)]