20996700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 46498980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 25, 30, 34, 46, 50, 51, 60, 68, 69, 75, 85, 92, 100, 102, 115, 138, 150, 170, 179, 204, 230, 255, 276, 300, 340, 345, 358, 391, 425, 460, 510, 537, 575, 690, 716, 782, 850, 895, 1020, 1074, 1150, 1173, 1275, 1380, 1564, 1700, 1725, 1790, 1955, 2148, 2300, 2346, 2550, 2685, 3043, 3450, 3580, 3910, 4117, 4475, 4692, 5100, 5370, 5865, 6086, 6900, 7820, 8234, 8950, 9129, 9775, 10740, 11730, 12172, 12351, 13425, 15215, 16468, 17900, 18258, 19550, 20585, 23460, 24702, 26850, 29325, 30430, 36516, 39100, 41170, 45645, 49404, 53700, 58650, 60860, 61755, 69989, 76075, 82340, 91290, 102925, 117300, 123510, 139978, 152150, 182580, 205850, 209967, 228225, 247020, 279956, 304300, 308775, 349945, 411700, 419934, 456450, 617550, 699890, 839868, 912900, 1049835, 1235100, 1399780, 1749725, 2099670, 3499450, 4199340, 5249175, 6998900, 10498350, 20996700]

約数ペア:

[(1, 20996700), (2, 10498350), (3, 6998900), (4, 5249175), (5, 4199340), (6, 3499450), (10, 2099670), (12, 1749725), (15, 1399780), (17, 1235100), (20, 1049835), (23, 912900), (25, 839868), (30, 699890), (34, 617550), (46, 456450), (50, 419934), (51, 411700), (60, 349945), (68, 308775), (69, 304300), (75, 279956), (85, 247020), (92, 228225), (100, 209967), (102, 205850), (115, 182580), (138, 152150), (150, 139978), (170, 123510), (179, 117300), (204, 102925), (230, 91290), (255, 82340), (276, 76075), (300, 69989), (340, 61755), (345, 60860), (358, 58650), (391, 53700), (425, 49404), (460, 45645), (510, 41170), (537, 39100), (575, 36516), (690, 30430), (716, 29325), (782, 26850), (850, 24702), (895, 23460), (1020, 20585), (1074, 19550), (1150, 18258), (1173, 17900), (1275, 16468), (1380, 15215), (1564, 13425), (1700, 12351), (1725, 12172), (1790, 11730), (1955, 10740), (2148, 9775), (2300, 9129), (2346, 8950), (2550, 8234), (2685, 7820), (3043, 6900), (3450, 6086), (3580, 5865), (3910, 5370), (4117, 5100), (4475, 4692)]