20072065720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3169}}^1\times {\mathrm{22621}}^1$

素因数の和:25808

約数の個数: 64

約数和(自身を含む): 51632452800

約数和(自身を除く): 31560387080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3169, 6338, 12676, 15845, 22183, 22621, 25352, 31690, 44366, 45242, 63380, 88732, 90484, 110915, 113105, 126760, 158347, 177464, 180968, 221830, 226210, 316694, 443660, 452420, 633388, 791735, 887320, 904840, 1266776, 1583470, 3166940, 6333880, 71685949, 143371898, 286743796, 358429745, 501801643, 573487592, 716859490, 1003603286, 1433718980, 2007206572, 2509008215, 2867437960, 4014413144, 5018016430, 10036032860, 20072065720]

約数ペア:

[(1, 20072065720), (2, 10036032860), (4, 5018016430), (5, 4014413144), (7, 2867437960), (8, 2509008215), (10, 2007206572), (14, 1433718980), (20, 1003603286), (28, 716859490), (35, 573487592), (40, 501801643), (56, 358429745), (70, 286743796), (140, 143371898), (280, 71685949), (3169, 6333880), (6338, 3166940), (12676, 1583470), (15845, 1266776), (22183, 904840), (22621, 887320), (25352, 791735), (31690, 633388), (44366, 452420), (45242, 443660), (63380, 316694), (88732, 226210), (90484, 221830), (110915, 180968), (113105, 177464), (126760, 158347)]