20447520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1098

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45596640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1039, 1230, 1312, 1640, 1968, 2078, 2460, 3117, 3280, 3936, 4156, 4920, 5195, 6234, 6560, 8312, 9840, 10390, 12468, 15585, 16624, 19680, 20780, 24936, 31170, 33248, 41560, 42599, 49872, 62340, 83120, 85198, 99744, 124680, 127797, 166240, 170396, 212995, 249360, 255594, 340792, 425990, 498720, 511188, 638985, 681584, 851980, 1022376, 1277970, 1363168, 1703960, 2044752, 2555940, 3407920, 4089504, 5111880, 6815840, 10223760, 20447520]

約数ペア:

[(1, 20447520), (2, 10223760), (3, 6815840), (4, 5111880), (5, 4089504), (6, 3407920), (8, 2555940), (10, 2044752), (12, 1703960), (15, 1363168), (16, 1277970), (20, 1022376), (24, 851980), (30, 681584), (32, 638985), (40, 511188), (41, 498720), (48, 425990), (60, 340792), (80, 255594), (82, 249360), (96, 212995), (120, 170396), (123, 166240), (160, 127797), (164, 124680), (205, 99744), (240, 85198), (246, 83120), (328, 62340), (410, 49872), (480, 42599), (492, 41560), (615, 33248), (656, 31170), (820, 24936), (984, 20780), (1039, 19680), (1230, 16624), (1312, 15585), (1640, 12468), (1968, 10390), (2078, 9840), (2460, 8312), (3117, 6560), (3280, 6234), (3936, 5195), (4156, 4920)]