19935840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1072

約数の個数: 96

約数和(自身を含む): 64393056

約数和(自身を除く): 44457216

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, 1013, 1230, 1312, 1640, 1968, 2026, 2460, 3039, 3280, 3936, 4052, 4920, 5065, 6078, 6560, 8104, 9840, 10130, 12156, 15195, 16208, 19680, 20260, 24312, 30390, 32416, 40520, 41533, 48624, 60780, 81040, 83066, 97248, 121560, 124599, 162080, 166132, 207665, 243120, 249198, 332264, 415330, 486240, 498396, 622995, 664528, 830660, 996792, 1245990, 1329056, 1661320, 1993584, 2491980, 3322640, 3987168, 4983960, 6645280, 9967920, 19935840]

約数ペア:

[(1, 19935840), (2, 9967920), (3, 6645280), (4, 4983960), (5, 3987168), (6, 3322640), (8, 2491980), (10, 1993584), (12, 1661320), (15, 1329056), (16, 1245990), (20, 996792), (24, 830660), (30, 664528), (32, 622995), (40, 498396), (41, 486240), (48, 415330), (60, 332264), (80, 249198), (82, 243120), (96, 207665), (120, 166132), (123, 162080), (160, 124599), (164, 121560), (205, 97248), (240, 83066), (246, 81040), (328, 60780), (410, 48624), (480, 41533), (492, 40520), (615, 32416), (656, 30390), (820, 24312), (984, 20260), (1013, 19680), (1230, 16208), (1312, 15195), (1640, 12156), (1968, 10130), (2026, 9840), (2460, 8104), (3039, 6560), (3280, 6078), (3936, 5065), (4052, 4920)]