20555910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 57715200

約数和(自身を除く): 37159290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4007, 5130, 8014, 12021, 20035, 24042, 36063, 40070, 60105, 72126, 76133, 108189, 120210, 152266, 180315, 216378, 228399, 360630, 380665, 456798, 540945, 685197, 761330, 1081890, 1141995, 1370394, 2055591, 2283990, 3425985, 4111182, 6851970, 10277955, 20555910]

約数ペア:

[(1, 20555910), (2, 10277955), (3, 6851970), (5, 4111182), (6, 3425985), (9, 2283990), (10, 2055591), (15, 1370394), (18, 1141995), (19, 1081890), (27, 761330), (30, 685197), (38, 540945), (45, 456798), (54, 380665), (57, 360630), (90, 228399), (95, 216378), (114, 180315), (135, 152266), (171, 120210), (190, 108189), (270, 76133), (285, 72126), (342, 60105), (513, 40070), (570, 36063), (855, 24042), (1026, 20035), (1710, 12021), (2565, 8014), (4007, 5130)]