20136681470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{3491}}^1$

素因数の和:4361

約数の個数: 64

約数和(自身を含む): 39101460480

約数和(自身を除く): 18964779010

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 809, 1426, 1618, 3491, 3565, 4045, 6982, 7130, 8090, 17455, 18607, 25079, 34910, 37214, 50158, 80293, 93035, 108221, 125395, 160586, 186070, 216442, 250790, 401465, 541105, 576817, 802930, 1082210, 1153634, 2489083, 2824219, 2884085, 4978166, 5648438, 5768170, 12445415, 14121095, 24890830, 28242190, 64957037, 87550789, 129914074, 175101578, 324785185, 437753945, 649570370, 875507890, 2013668147, 4027336294, 10068340735, 20136681470]

約数ペア:

[(1, 20136681470), (2, 10068340735), (5, 4027336294), (10, 2013668147), (23, 875507890), (31, 649570370), (46, 437753945), (62, 324785185), (115, 175101578), (155, 129914074), (230, 87550789), (310, 64957037), (713, 28242190), (809, 24890830), (1426, 14121095), (1618, 12445415), (3491, 5768170), (3565, 5648438), (4045, 4978166), (6982, 2884085), (7130, 2824219), (8090, 2489083), (17455, 1153634), (18607, 1082210), (25079, 802930), (34910, 576817), (37214, 541105), (50158, 401465), (80293, 250790), (93035, 216442), (108221, 186070), (125395, 160586)]