20828640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6199}}^1$

素因数の和:6224

約数の個数: 96

約数和(自身を含む): 74995200

約数和(自身を除く): 54166560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6199, 12398, 18597, 24796, 30995, 37194, 43393, 49592, 61990, 74388, 86786, 92985, 99184, 123980, 130179, 148776, 173572, 185970, 198368, 216965, 247960, 260358, 297552, 347144, 371940, 433930, 495920, 520716, 595104, 650895, 694288, 743880, 867860, 991840, 1041432, 1301790, 1388576, 1487760, 1735720, 2082864, 2603580, 2975520, 3471440, 4165728, 5207160, 6942880, 10414320, 20828640]

約数ペア:

[(1, 20828640), (2, 10414320), (3, 6942880), (4, 5207160), (5, 4165728), (6, 3471440), (7, 2975520), (8, 2603580), (10, 2082864), (12, 1735720), (14, 1487760), (15, 1388576), (16, 1301790), (20, 1041432), (21, 991840), (24, 867860), (28, 743880), (30, 694288), (32, 650895), (35, 595104), (40, 520716), (42, 495920), (48, 433930), (56, 371940), (60, 347144), (70, 297552), (80, 260358), (84, 247960), (96, 216965), (105, 198368), (112, 185970), (120, 173572), (140, 148776), (160, 130179), (168, 123980), (210, 99184), (224, 92985), (240, 86786), (280, 74388), (336, 61990), (420, 49592), (480, 43393), (560, 37194), (672, 30995), (840, 24796), (1120, 18597), (1680, 12398), (3360, 6199)]