20935750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 44748288

約数和(自身を除く): 23812538

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 331, 506, 550, 575, 662, 1150, 1265, 1375, 1655, 2530, 2750, 2875, 3310, 3641, 5750, 6325, 7282, 7613, 8275, 12650, 15226, 16550, 18205, 31625, 36410, 38065, 41375, 63250, 76130, 82750, 83743, 91025, 167486, 182050, 190325, 380650, 418715, 455125, 837430, 910250, 951625, 1903250, 2093575, 4187150, 10467875, 20935750]

約数ペア:

[(1, 20935750), (2, 10467875), (5, 4187150), (10, 2093575), (11, 1903250), (22, 951625), (23, 910250), (25, 837430), (46, 455125), (50, 418715), (55, 380650), (110, 190325), (115, 182050), (125, 167486), (230, 91025), (250, 83743), (253, 82750), (275, 76130), (331, 63250), (506, 41375), (550, 38065), (575, 36410), (662, 31625), (1150, 18205), (1265, 16550), (1375, 15226), (1655, 12650), (2530, 8275), (2750, 7613), (2875, 7282), (3310, 6325), (3641, 5750)]