20179420980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{128221}}^1$

素因数の和:128337

約数の個数: 96

約数和(自身を含む): 58764655488

約数和(自身を除く): 38585234508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 61, 86, 122, 129, 172, 183, 215, 244, 258, 305, 366, 430, 516, 610, 645, 732, 860, 915, 1220, 1290, 1830, 2580, 2623, 3660, 5246, 7869, 10492, 13115, 15738, 26230, 31476, 39345, 52460, 78690, 128221, 157380, 256442, 384663, 512884, 641105, 769326, 1282210, 1538652, 1923315, 2564420, 3846630, 5513503, 7693260, 7821481, 11027006, 15642962, 16540509, 22054012, 23464443, 27567515, 31285924, 33081018, 39107405, 46928886, 55135030, 66162036, 78214810, 82702545, 93857772, 110270060, 117322215, 156429620, 165405090, 234644430, 330810180, 336323683, 469288860, 672647366, 1008971049, 1345294732, 1681618415, 2017942098, 3363236830, 4035884196, 5044855245, 6726473660, 10089710490, 20179420980]

約数ペア:

[(1, 20179420980), (2, 10089710490), (3, 6726473660), (4, 5044855245), (5, 4035884196), (6, 3363236830), (10, 2017942098), (12, 1681618415), (15, 1345294732), (20, 1008971049), (30, 672647366), (43, 469288860), (60, 336323683), (61, 330810180), (86, 234644430), (122, 165405090), (129, 156429620), (172, 117322215), (183, 110270060), (215, 93857772), (244, 82702545), (258, 78214810), (305, 66162036), (366, 55135030), (430, 46928886), (516, 39107405), (610, 33081018), (645, 31285924), (732, 27567515), (860, 23464443), (915, 22054012), (1220, 16540509), (1290, 15642962), (1830, 11027006), (2580, 7821481), (2623, 7693260), (3660, 5513503), (5246, 3846630), (7869, 2564420), (10492, 1923315), (13115, 1538652), (15738, 1282210), (26230, 769326), (31476, 641105), (39345, 512884), (52460, 384663), (78690, 256442), (128221, 157380)]