20189481990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{278207}}^1$

素因数の和:278317

約数の個数: 64

約数和(自身を含む): 50478059520

約数和(自身を除く): 30288577530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 59, 82, 118, 123, 177, 205, 246, 295, 354, 410, 590, 615, 885, 1230, 1770, 2419, 4838, 7257, 12095, 14514, 24190, 36285, 72570, 278207, 556414, 834621, 1391035, 1669242, 2782070, 4173105, 8346210, 11406487, 16414213, 22812974, 32828426, 34219461, 49242639, 57032435, 68438922, 82071065, 98485278, 114064870, 164142130, 171097305, 246213195, 342194610, 492426390, 672982733, 1345965466, 2018948199, 3364913665, 4037896398, 6729827330, 10094740995, 20189481990]

約数ペア:

[(1, 20189481990), (2, 10094740995), (3, 6729827330), (5, 4037896398), (6, 3364913665), (10, 2018948199), (15, 1345965466), (30, 672982733), (41, 492426390), (59, 342194610), (82, 246213195), (118, 171097305), (123, 164142130), (177, 114064870), (205, 98485278), (246, 82071065), (295, 68438922), (354, 57032435), (410, 49242639), (590, 34219461), (615, 32828426), (885, 22812974), (1230, 16414213), (1770, 11406487), (2419, 8346210), (4838, 4173105), (7257, 2782070), (12095, 1669242), (14514, 1391035), (24190, 834621), (36285, 556414), (72570, 278207)]