20121683004

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{201709}}^1$

素因数の和:201899

約数の個数: 72

約数和(自身を含む): 54185760720

約数和(自身を除く): 34064077716

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 163, 204, 306, 326, 489, 612, 652, 978, 1467, 1956, 2771, 2934, 5542, 5868, 8313, 11084, 16626, 24939, 33252, 49878, 99756, 201709, 403418, 605127, 806836, 1210254, 1815381, 2420508, 3429053, 3630762, 6858106, 7261524, 10287159, 13716212, 20574318, 30861477, 32878567, 41148636, 61722954, 65757134, 98635701, 123445908, 131514268, 197271402, 295907103, 394542804, 558935639, 591814206, 1117871278, 1183628412, 1676806917, 2235742556, 3353613834, 5030420751, 6707227668, 10060841502, 20121683004]

約数ペア:

[(1, 20121683004), (2, 10060841502), (3, 6707227668), (4, 5030420751), (6, 3353613834), (9, 2235742556), (12, 1676806917), (17, 1183628412), (18, 1117871278), (34, 591814206), (36, 558935639), (51, 394542804), (68, 295907103), (102, 197271402), (153, 131514268), (163, 123445908), (204, 98635701), (306, 65757134), (326, 61722954), (489, 41148636), (612, 32878567), (652, 30861477), (978, 20574318), (1467, 13716212), (1956, 10287159), (2771, 7261524), (2934, 6858106), (5542, 3630762), (5868, 3429053), (8313, 2420508), (11084, 1815381), (16626, 1210254), (24939, 806836), (33252, 605127), (49878, 403418), (99756, 201709)]