20117732830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1\times {\mathrm{1553}}^1$

素因数の和:2221

約数の個数: 64

約数和(自身を含む): 39276715968

約数和(自身を除く): 19158983138

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 397, 502, 794, 1255, 1553, 1985, 2510, 3106, 3263, 3970, 5161, 6526, 7765, 10322, 15530, 16315, 20189, 25805, 32630, 40378, 51610, 99647, 100945, 199294, 201890, 389803, 498235, 616541, 779606, 996470, 1233082, 1295411, 1949015, 2590822, 3082705, 3898030, 5067439, 6165410, 6477055, 8015033, 10134878, 12954110, 16030066, 25337195, 40075165, 50674390, 80150330, 154751791, 309503582, 773758955, 1547517910, 2011773283, 4023546566, 10058866415, 20117732830]

約数ペア:

[(1, 20117732830), (2, 10058866415), (5, 4023546566), (10, 2011773283), (13, 1547517910), (26, 773758955), (65, 309503582), (130, 154751791), (251, 80150330), (397, 50674390), (502, 40075165), (794, 25337195), (1255, 16030066), (1553, 12954110), (1985, 10134878), (2510, 8015033), (3106, 6477055), (3263, 6165410), (3970, 5067439), (5161, 3898030), (6526, 3082705), (7765, 2590822), (10322, 1949015), (15530, 1295411), (16315, 1233082), (20189, 996470), (25805, 779606), (32630, 616541), (40378, 498235), (51610, 389803), (99647, 201890), (100945, 199294)]